This is a card game like a Japanese language version of "Algorithmic," where players play "Shiritori" (word chain) while associating words with a given topic. The rules are very simple, but it enhances vocabulary, imagination, and strategic thinking, making it an ideal game for brain activation. It can be enjoyed by many people, from children to the elderly. For 3-10 players. It's a game that's fun for large groups and makes you smarter. The seller is Gakken. This item is almost unused, having been used only a few times, but please understand that it is a used item and has been stored at home for a long time. It seems to be discontinued now. Thank you for looking.